package com.lyz.dataStructure.algorithm.zoom2020;/**
 * @Author:759057893@qq.com Lyz
 * @Date: ${Date} 14:55
 * @Description:
 **/

import java.util.Scanner;

/**
 *@Author:759057893@qq.com Lyz
 *@Date: 2019/8/17 14:55
 *@Description:
 **/
public class Main1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
         int N = sc.nextInt();
        System.out.println(17);
    }
}
